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BRPI0814287A2 - Método para melhorar a taxa de obstrução de membrana permeável, membrana permeável de taxa de obstrução melhorada, e método e instrumento para o tratamento de membrana permeável. - Google Patents

Método para melhorar a taxa de obstrução de membrana permeável, membrana permeável de taxa de obstrução melhorada, e método e instrumento para o tratamento de membrana permeável.

Info

Publication number
BRPI0814287A2
BRPI0814287A2 BRPI0814287-4A2A BRPI0814287A BRPI0814287A2 BR PI0814287 A2 BRPI0814287 A2 BR PI0814287A2 BR PI0814287 A BRPI0814287 A BR PI0814287A BR PI0814287 A2 BRPI0814287 A2 BR PI0814287A2
Authority
BR
Brazil
Prior art keywords
obstruction rate
membrane
instrument
improving
permable
Prior art date
Application number
BRPI0814287-4A2A
Other languages
English (en)
Inventor
Kunihiro Hayakawa
Takahiro Kawakatsu
Original Assignee
Kurita Water Ind Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Kurita Water Ind Ltd filed Critical Kurita Water Ind Ltd
Publication of BRPI0814287A2 publication Critical patent/BRPI0814287A2/pt

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D65/00—Accessories or auxiliary operations, in general, for separation processes or apparatus using semi-permeable membranes
    • B01D65/08—Prevention of membrane fouling or of concentration polarisation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D67/00—Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus
    • B01D67/0081—After-treatment of organic or inorganic membranes
    • B01D67/0088—Physical treatment with compounds, e.g. swelling, coating or impregnation
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
    • C02F1/441—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by reverse osmosis
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2321/00—Details relating to membrane cleaning, regeneration, sterilization or to the prevention of fouling
    • B01D2321/16—Use of chemical agents
    • B01D2321/162—Use of acids
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2321/00—Details relating to membrane cleaning, regeneration, sterilization or to the prevention of fouling
    • B01D2321/16—Use of chemical agents
    • B01D2321/164—Use of bases
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2325/00—Details relating to properties of membranes
    • B01D2325/20—Specific permeability or cut-off range
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
    • C02F2103/02—Non-contaminated water, e.g. for industrial water supply
    • C02F2103/04—Non-contaminated water, e.g. for industrial water supply for obtaining ultra-pure water

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Inorganic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Organic Chemistry (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
BRPI0814287-4A2A 2007-07-19 2008-07-18 Método para melhorar a taxa de obstrução de membrana permeável, membrana permeável de taxa de obstrução melhorada, e método e instrumento para o tratamento de membrana permeável. BRPI0814287A2 (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2007188773A JP2009022886A (ja) 2007-07-19 2007-07-19 透過膜の阻止率向上方法、阻止率向上透過膜、透過膜処理方法および装置
PCT/JP2008/062988 WO2009011415A1 (ja) 2007-07-19 2008-07-18 透過膜の阻止率向上方法、阻止率向上透過膜、透過膜処理方法および装置

Publications (1)

Publication Number Publication Date
BRPI0814287A2 true BRPI0814287A2 (pt) 2015-02-03

Family

ID=40259741

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0814287-4A2A BRPI0814287A2 (pt) 2007-07-19 2008-07-18 Método para melhorar a taxa de obstrução de membrana permeável, membrana permeável de taxa de obstrução melhorada, e método e instrumento para o tratamento de membrana permeável.

Country Status (6)

Country Link
US (1) US20100136238A1 (pt)
EP (1) EP2172257A4 (pt)
JP (1) JP2009022886A (pt)
CN (1) CN101754795A (pt)
BR (1) BRPI0814287A2 (pt)
WO (1) WO2009011415A1 (pt)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5633517B2 (ja) * 2009-09-29 2014-12-03 栗田工業株式会社 透過膜の阻止率向上方法及び透過膜
US20130087502A1 (en) * 2011-10-06 2013-04-11 Conocophillips Company Water impurity removal methods and systems
JP6141610B2 (ja) * 2012-09-07 2017-06-07 旭化成株式会社 水処理装置の運転方法、及び飲用水を製造する方法
JP2014094322A (ja) * 2012-11-07 2014-05-22 Sumitomo Precision Prod Co Ltd 多段階の有機廃水処理システム
JP6251953B2 (ja) * 2012-12-28 2017-12-27 栗田工業株式会社 逆浸透膜の阻止率向上方法
JP6205301B2 (ja) * 2014-04-07 2017-09-27 株式会社神鋼環境ソリューション 水処理方法及び水処理設備
JP6235409B2 (ja) * 2014-05-13 2017-11-22 積水化学工業株式会社 浄水システム
JPWO2016111371A1 (ja) * 2015-01-09 2017-10-19 東レ株式会社 半透膜の阻止性能向上方法、半透膜、半透膜造水装置
CN106315939B (zh) * 2016-10-31 2019-09-27 无锡出新环保设备有限公司 一种电镀废水处理系统及其处理方法
WO2018208902A1 (en) * 2017-05-10 2018-11-15 Northwestern University Porous polyelectrolyte complex films and foams and related methods
CN113069929B (zh) * 2021-03-25 2022-11-18 南京师范大学 一种在膜滤过程中添加疏水改性调理剂缓解滤膜污染的工艺

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54153872A (en) * 1978-05-24 1979-12-04 Mitsubishi Rayon Co Ltd Hydrophilization of porous polypropylene membrane
JPS5924732A (ja) * 1982-08-02 1984-02-08 Mitsubishi Rayon Co Ltd 親水化多孔質膜およびその製造方法
JP2996304B2 (ja) * 1989-07-12 1999-12-27 東レ株式会社 分離膜の製造方法
US5032149A (en) * 1989-10-10 1991-07-16 E. I. Du Pont De Nemours And Company Surfactant treatment of polyaramide gas separation membranes
JP3358341B2 (ja) * 1994-11-15 2002-12-16 宇部興産株式会社 親水化膜とその製造法
JP2001286741A (ja) * 2000-04-04 2001-10-16 Toray Ind Inc 逆浸透複合膜およびその製造方法
US6913694B2 (en) * 2001-11-06 2005-07-05 Saehan Industries Incorporation Selective membrane having a high fouling resistance
JP2003200026A (ja) * 2002-01-08 2003-07-15 Toray Ind Inc 複合半透膜およびその製造方法

Also Published As

Publication number Publication date
WO2009011415A1 (ja) 2009-01-22
JP2009022886A (ja) 2009-02-05
EP2172257A4 (en) 2011-11-23
CN101754795A (zh) 2010-06-23
US20100136238A1 (en) 2010-06-03
EP2172257A1 (en) 2010-04-07

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Legal Events

Date Code Title Description
B08F Application dismissed because of non-payment of annual fees [chapter 8.6 patent gazette]

Free format text: REFERENTE AS 5A, 6A E 7A ANUIDADES.

B08K Patent lapsed as no evidence of payment of the annual fee has been furnished to inpi [chapter 8.11 patent gazette]

Free format text: EM VIRTUDE DO ARQUIVAMENTO PUBLICADO NA RPI 2343 DE 01-12-2015 E CONSIDERANDO AUSENCIA DE MANIFESTACAO DENTRO DOS PRAZOS LEGAIS, INFORMO QUE CABE SER MANTIDO O ARQUIVAMENTO DO PEDIDO DE PATENTE, CONFORME O DISPOSTO NO ARTIGO 12, DA RESOLUCAO 113/2013.